Notes on the Role of Crawfishes in the Ecology of Reptiles, Amphibians, and Fishes

Abstract

Recently Penn (1950) pointed out that craw-fishes are important in the diet of many poikilo- thermous vertebrates. Data from 108 papers were combined by him into tables and graphs indicating the extent to which certain creatures feed on crawfishes. I wish to comment briefly on Penn's article, to cite additional biblio-graphic references, to present further instances of predation on crawfishes in the eastern United States, and to discuss other ecological roles ...